-7.9% is the change from 291 to 268
Calculation steps:
[( 268 - 291 ) ÷ 291] x 100 = -7.9%
Formula
Percentage change = [(268 - 291) / 291] x 100
Subtract the new number by the original number
268 - 291 = -23
-23 ÷ 291 = -0.07903780068728522
-0.07903780068728522 x 100 = -7.9%